<template>
    <div class="checkout cart-page"  v-title="'我的购物车'">
        <header-component/>
        <breadcrumb-component>
            <span>Cart</span>
        </breadcrumb-component>
        <svg style="position: absolute; width: 0; height: 0; overflow: hidden;" version="1.1"
             xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
            <defs>
                <symbol id="icon-add" viewBox="0 0 32 32">
                    <title>add2</title>
                    <path class="path1"
                          d="M15 17h-13.664c-0.554 0-1.002-0.446-1.002-1 0-0.552 0.452-1 1.002-1h13.664v-13.664c0-0.554 0.446-1.002 1-1.002 0.552 0 1 0.452 1 1.002v13.664h13.664c0.554 0 1.002 0.446 1.002 1 0 0.552-0.452 1-1.002 1h-13.664v13.664c0 0.554-0.446 1.002-1 1.002-0.552 0-1-0.452-1-1.002v-13.664z"></path>
                </symbol>
                <symbol id="icon-ok" viewBox="0 0 32 32">
                    <title>ok</title>
                    <path class="path1"
                          d="M31.020 0.438c-0.512-0.363-1.135-0.507-1.757-0.406s-1.166 0.435-1.529 0.937l-17.965 24.679-5.753-5.67c-0.445-0.438-1.035-0.679-1.664-0.679s-1.219 0.241-1.664 0.679c-0.917 0.904-0.917 2.375 0 3.279l7.712 7.6c0.438 0.432 1.045 0.681 1.665 0.681l0.195-0.008c0.688-0.057 1.314-0.406 1.717-0.959l19.582-26.9c0.754-1.038 0.512-2.488-0.538-3.233z"></path>
                </symbol>
                <symbol id="icon-edit" viewBox="0 0 32 32">
                    <title>edit</title>
                    <path class="path1"
                          d="M28.287 8.51l-4.805-4.806 0.831-0.831c0.472-0.472 1.086-0.777 1.564-0.777 0.248 0 0.452 0.082 0.622 0.253l3.143 3.144c0.539 0.54 0.133 1.529-0.524 2.186l-0.831 0.831zM26.805 9.992l-1.138 1.138-4.805-4.806 1.138-1.138 4.805 4.806zM24.186 12.612l-14.758 14.762-4.805-4.806 14.758-14.762 4.805 4.806zM7.379 28.288l-4.892 1.224 1.223-4.894 3.669 3.67zM31.123 4.011l-3.143-3.144c-0.567-0.567-1.294-0.867-2.103-0.867-1.036 0-2.174 0.52-3.045 1.391l-20.429 20.436c-0.135 0.134-0.23 0.302-0.276 0.487l-2.095 8.385c-0.089 0.355 0.017 0.736 0.276 0.995 0.198 0.198 0.461 0.307 0.741 0.307 0.085 0 0.171-0.010 0.254-0.031l8.381-2.096c0.185-0.047 0.354-0.142 0.487-0.276l20.43-20.436c1.409-1.41 2.042-3.632 0.524-5.15v0z"></path>
                </symbol>
                <symbol id="icon-del" viewBox="0 0 32 32">
                    <title>delete</title>
                    <path class="path1"
                          d="M11.355 4.129v-2.065h9.29v2.065h-9.29zM6.194 29.935v-23.742h19.613v23.742h-19.613zM30.968 4.129h-8.258v-3.097c0-0.569-0.463-1.032-1.032-1.032h-11.355c-0.569 0-1.032 0.463-1.032 1.032v3.097h-8.258c-0.569 0-1.032 0.463-1.032 1.032s0.463 1.032 1.032 1.032h3.097v24.774c0 0.569 0.463 1.032 1.032 1.032h21.677c0.569 0 1.032-0.463 1.032-1.032v-24.774h3.097c0.569 0 1.032-0.463 1.032-1.032s-0.463-1.032-1.032-1.032v0z"></path>
                    <path class="path2"
                          d="M10.323 9.806c-0.569 0-1.032 0.463-1.032 1.032v14.452c0 0.569 0.463 1.032 1.032 1.032s1.032-0.463 1.032-1.032v-14.452c0-0.569-0.463-1.032-1.032-1.032z"></path>
                    <path class="path3"
                          d="M16 9.806c-0.569 0-1.032 0.463-1.032 1.032v14.452c0 0.569 0.463 1.032 1.032 1.032s1.032-0.463 1.032-1.032v-14.452c0-0.569-0.463-1.032-1.032-1.032z"></path>
                    <path class="path4"
                          d="M21.677 9.806c-0.569 0-1.032 0.463-1.032 1.032v14.452c0 0.569 0.463 1.032 1.032 1.032s1.032-0.463 1.032-1.032v-14.452c0-0.569-0.463-1.032-1.032-1.032z"></path>
                </symbol>
                <symbol id="icon-clock" viewBox="0 0 32 32">
                    <title>clock</title>
                    <path class="path1" fill="#605f5f"
                          d="M16 29c-7.168 0-13-5.831-13-13s5.832-13 13-13c7.168 0 13 5.832 13 13s-5.832 13-13 13zM16 0c-8.822 0-16 7.178-16 16s7.178 16 16 16c8.822 0 16-7.178 16-16s-7.178-16-16-16z"></path>
                    <path class="path2" fill="#605f5f"
                          d="M23.958 21.837l-6.958-6.489v-6.282c0-0.827-0.673-1.5-1.5-1.5s-1.5 0.673-1.5 1.5v6.934c0 0.414 0.174 0.814 0.477 1.098l7.435 6.934c0.279 0.259 0.642 0.402 1.023 0.402 0.415 0 0.814-0.174 1.096-0.477 0.564-0.605 0.532-1.555-0.073-2.12z"></path>
                </symbol>
            </defs>
        </svg>
        <div class="container">
            <div class="cart">
                <div class="page-title-normal">
                    <h2 class="page-title-h2"><span>My Cart</span></h2>
                </div>
                <div class="item-list-wrap">
                    <div class="cart-item">
                        <div class="cart-item-head">
                            <ul>
                                <li>Items</li>
                                <li>Price</li>
                                <li>Quantity</li>
                                <li>Subtotal</li>
                                <li>Edit</li>
                            </ul>
                        </div>
                        <ul class="cart-item-list">
                            <li v-for="item in cartList">
                                <div class="cart-tab-1">
                                    <div class="cart-item-check">
                                        <a href="javascipt:;" class="checkbox-btn item-check-btn"
                                           :class="{'checked':item.checked==1}" @click="checkProduct(item)">
                                            <svg class="icon icon-ok">
                                                <use xlink:href="#icon-ok"></use>
                                            </svg>
                                        </a>
                                    </div>
                                    <div class="cart-item-pic">
                                        <img :src="'../../static/images/'+item.productImage" :alt="item.productName">
                                    </div>
                                    <div class="cart-item-title">
                                        <div class="item-name">{{item.productName}}</div>
                                    </div>
                                </div>
                                <div class="cart-tab-2">
                                    <div class="item-price">{{item.salePrice | currency('￥')}}</div>
                                </div>
                                <div class="cart-tab-3">
                                    <div class="item-quantity">
                                        <div class="select-self select-self-open">
                                            <div class="select-self-area">
                                                <a class="input-sub" @click="changeQty(item,-1)">-</a>
                                                <input class="select-ipt" v-model="item.productNum">
                                                <a class="input-add" @click="changeQty(item,1)">+</a>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                                <div class="cart-tab-4">
                                    <div class="item-price-total">{{item.salePrice * item.productNum | currency('￥')}}
                                    </div>
                                </div>
                                <div class="cart-tab-5">
                                    <div class="cart-item-opration">
                                        <a href="javascript:;" class="item-edit-btn"
                                           @click="delConfirm(item)">
                                            <svg class="icon icon-del">
                                                <use xlink:href="#icon-del"></use>
                                            </svg>
                                        </a>
                                    </div>
                                </div>
                            </li>
                        </ul>
                    </div>
                </div>
                <div class="cart-foot-wrap">
                    <div class="cart-foot-inner">
                        <div class="cart-foot-l">
                            <div class="item-all-check">
                                <a href="javascipt:;" @click="checkAllProduct">
                                    <span class="checkbox-btn item-check-btn" :class="{checked:checkedAll}">
                                    <svg class="icon icon-ok"><use xlink:href="#icon-ok"/></svg>
                                    </span>
                                    <span>Select all</span>
                                </a>
                            </div>
                        </div>
                        <div class="cart-foot-r">
                            <div class="item-total">
                                Item total: <span class="total-price">{{totalPrice | currency('￥')}}</span>
                            </div>
                            <div class="btn-wrap">
                                <a class="btn btn--red" :class="{'btn--dis':checkedCount<1}"
                                   @click="chekout">Checkout</a>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <footer-component/>
        <Modal :mdShow="mdShowConfirm" @close="mdClose">
            <p slot="massage">你确认删除此条数据？</p>
            <div slot="btnGroup" class="btn-wrap">
                <a class="btn btn--m" @click="delCart">确定</a>
                <a class="btn btn--m" @click="mdClose">关闭</a>
            </div>
        </Modal>
    </div>
</template>
<style>
    .input-sub, .input-add {
        min-width: 40px;
        color: #605F5F;
        text-align: center;
        font-size: 16px;
        display: inline-block;
        background: #f0f0f0;
        vertical-align: top;
    }

    .item-quantity .select-self-area {
        background: none;
        border: 1px solid #f0f0f0;
    }

    .item-quantity .select-self-area .select-ipt {
        display: inline-block;
        padding: 0 3px;
        width: 30px;
        min-width: 30px;
        text-align: center;
        vertical-align: top;
    }
</style>
<script>
    import HeaderComponent from './../components/Header'
    import BreadcrumbComponent from './../components/Breadcrumb'
    import FooterComponent from './../components/Footer'
    import Modal from './../components/Modal'

    export default {
        data() {
            return {
                cartList: [],
                //checkedAll:false,//实时计算不需要了
                //totalPrice: 0,
                mdShowConfirm: false,
                curProductId: '',
                curProductNum: '',
            }
        },
        components: {
            HeaderComponent,
            BreadcrumbComponent,
            FooterComponent,
            Modal
        },
        computed: {
            checkedAll() {
                return this.checkedCount == this.cartList.length;
            },
            checkedCount() {
                var i = 0;
                this.cartList.forEach(item => {
                    if (item.checked == '1') {
                        i++;
                    }
                })
                return i;
            },
            totalPrice() {
                var total = 0;
                this.cartList.forEach((item, index) => {
                    if (item.checked == 1) {
                        total += item.salePrice * item.productNum;
                    }
                })
                return total;
            }
        },
        mounted: function () {
            this.$nextTick(function () {
                this.getCartList();

            })
        },
        methods: {
            getCartList() {
                this.axios.get('/users/cart').then(response => {
                    let res = response.data;
                    if (res.status == '0') {
                        this.cartList = res.result;
                    } else {
                        console.log(res.msg);
                    }
                })
            },
            changeQty(item, way) {
                var num = 0;
                if (way > 0) {
                    item.productNum++;
                    num = 1;
                } else {
                    item.productNum--;
                    if (item.productNum < 1) {
                        item.productNum = 1;
                        return false;
                    }
                    num = -1;
                }
                this.editCart(item, num);
            },
            checkProduct(item) {
                item.checked = item.checked == 0 ? 1 : 0;
                this.editCart(item);
            },
            checkAllProduct() {
                //this.checkedAll = !this.checkedAll;//实时计算没法改变值
                var flag = !this.checkedAll;
                this.cartList.forEach((item, index) => {
                    item.checked = flag ? 1 : 0;
                    this.editCart(item);
                })
            },
            editCart(item, num) {
                this.axios.post("/users/cartEdit", {
                    productId: item.productId,
                    checked: item.checked,
                    productNum: item.productNum
                }).then(res => {
                    var res = res.data;
                    if (res.status == 0) {
                        if (num) {
                            this.$store.commit('updataCartCount', num);
                        }
                    } else {
                        console.log(res.msg);
                    }
                })
            },
            delConfirm(item) {
                this.curProductId = item.productId;
                this.curProductNum = item.productNum;
                this.mdShowConfirm = true;
            },
            mdClose() {
                this.mdShowConfirm = false;
            },
            delCart() {
                this.axios.post("/users/cartDel", {
                    productId: this.curProductId
                }).then(res => {
                    var res = res.data;
                    if (res.status == 0) {
                        this.mdShowConfirm = false;
                        //alert('删除成功！');
                        this.getCartList();
                        this.$store.commit('updataCartCount', -this.curProductNum);
                    } else {
                        console.log(res.msg);
                    }
                }).catch(err => {
                    console.log(err);
                })
            },
            chekout() {
                if (this.checkedCount > 0) {
                    this.$router.push({path: 'Address'});
                }
            }
        }
    }
</script>
